[Rd] code allowing NA

On 23/03/2010 1:28 PM, Bond, Stephen wrote:
> Dear R developers,
>> Could you, please, point me to the source file containing the implementation of NA values?
I have a feeling this isn't what you want, but what you asked for is in
https://svn.r-project.org/R/trunk/src/main/arithmetic.c
in particular around lines 110 and 160.
Duncan Murdoch